Air force-pump



l.` M. MISSOURI. AIR FoRcE PUMP. APPUCATION FILED SEPT. I2, 191BPatented Aug. 31', 1920.

@Mommy JOHN M. MISSOURI, or MONTROSE, MizNNEsoTn.

i rrr AIR FOBCErPUh/IP.

Application inea september 12, isis. ,seriai No. 253,770.

i force pump for wells and the like, and one of the objects of theinvention is to provide' an improved device of this kind, in which thereis involved simple, efficient and prac- Y tical features of.construction.

A furtherobject ofthe invention is the provision of a 'reciprocatingpiston, and

means for operating the same. i

Another object of the invention is the provision of coupled meansbetween the operating mechanism and the'pi'ston.

line 2-2 of Fig. 1.

tion mayv necessitate alterations lfalling within the scope of what 1sclaimed.

The invention comprises further features 1n. practical fleldsthe detailsof construcand vcombination of parts as hereinafter setV forth shown inthe `drawings and claimed.

Inthe drawingsz- 1 Figurel is a vertical'sectional view. y Fig. 2vis ahorizontal sectional view on yReferringjmore especially to the draw.-lings, 4 designatesa suitable casing, which comprises the upper and lowersections 5 and 6, the cylindrical walls 7 and 8 of A' which arevunitedby threaded connections 9. The lower section is vprovided with openings2 for the reception of lag` screws (not shown) to :fasten or secure thelowery section to the well platform (not shown).

, In order to additionally secure the two sections together bolts 11pass through the eX-` tension flanges of the sections, the lower Vendsof 'said bolts-'are threaded into the lower section, there beingsuitable packing 1,2 between the cylindrical wall of the lower sectionand the'top. section. Rising upwardly frornthe bottom sectionV 5 ofsaid',

casing'is a cylindrical wall'13, thereby 'pro-k viding achamberla Acylindrical eXtension 52L eXteriorly threaded depends from` the Vundersurface of the section .5. Threaded to the extension 5Va is a wellpipe5b, the lower end 'of which'is threaded at 5e into the top of the wellcasing 5d. r1`hewell casing and the well pipemay be any. other suitableconstruction other than shown.

lViounted'l in the chamber 14 is a cap coupling 15, which is providedwithan open-A ing 16. This cap coupling has a reducedexv tension 17passing upwardly'through anr Spec'ication of Lettersvatent. f PitentdAllg', 311, v19120'.

Opening 17a of the top section 6, there being Y a shoulder 17h, on whichthe packing 12 adjacent the top section engages. By tight eningrup onthe bolts 11, itis obvious tha" the cap coupling will be secured firmlyin place between the ltwo sections. A. pipe 18rr y extends downwardlyvinto the well casing and through the lwell p'ipefb, and has` itsv upperend threaded at 18a into the reduced extension 17. 4 A second pipe 1Sbis threaded at 180'into the upper end of theextension 17. The' upperpart of the 'pipe 181? has an elbow end 19, to which" a bib'faucet 2O isthreaded.y Itis obvious that-'by'providing this type of faucet, asuitable` hose or the like may be attached by threads to thefout-` i letend 21 of the faucet.y Also by the provision of. this" kind of faucet,thewater mayv be retained inthe pipes 18 and 181,"against Y the pressureof air below., that is against' the pressure of air 'in the well casing5d, by

closing the valve of the faucet.` rll'he two i p pipes 18V 'and 18b areaXia'lly alined, `in

order 4to permit afdirect passage ofthe water to the faucet.:Thecylindrical wall Y 13'has a lateral partl 31,' which is 'integrallyconnected toA the` cylindrical wall 32, the in'- terior ofwhich hasthreads 83. Y This lat- -eral part v31 yis provided with passages formedtherethrough, and each passage comprises, a restricted portion and en.larged Vportions 35, and where these pas-,- vsages adjoin a valveseat 36is provided.A

Ball valves 37v are mounted inthe enlarged portions` 35 Yof saidpassages, to coperate with the seats 36, there being transverse pins 38,between which and thevalve seats said ball`.valves are allowed limitedmove,n

ments. A tubular casing39 (which is pro vided with a chamber '40)has itslower end- 1 threaded into the cylindrical wall 32 byl means ofthethreads v33. Thewall lof this i tubular casing 3 9 is hollowedfouttoprovide` an annular chamber 39,A This chamber 39a at Aits lower .endhas,A an annular ,division v, f.

wall .39", 'therebyYV difviding#V the Vannular chamber 39y linto upperAai`id' lower jparts.

T he upper part ofthe annularchamber 39@ at its lower portion'communicates with vthe restricted portion 34.' ofthe upper `passage y Y39 of the annular chamber 39a communi- Vwith the annularchamber 39?.

Cates with the rcstrictedportion 34E of the lower passage of the lateralpart 31. rlllie inner wall of the casing 39 has a port or opening 40acommunicating the chamber l0 The inner wall of the casing 39 at thelower end has an opening or port 40h, thereby communicating the lowerpart 3 9@ of the annular chamber 39 with the lower end of Jthe chamber40 that is below the piston 67. A cap l2 isv threaded on theV upper endof the casing 89, and is provided with an air vent 43, with which acheck valve 43a coperates,

for controlling the air into the chasingY 39. tubular Vpump rodreciproca-tes through the packing gland l5 which is Vcarried by the capl-Q. A. pump rod section 46 has its lower end 4i7 (which is cylindrical)coupled to the tubular pump rods by means of the turn buckle sleeves 48.rlhe adj acent extremities of the lower end. 47 are held spaced fromeach other, as shown. turn buckle sleeve i8V is provided withdiameti'ically oppositely disposed openings 49, to permit air to enterthe tubular pump rod 414C, by way of the'space between the adjacent endsof thepump rod and the end portionlll?.A A second cylindrical `tubularcasing 50 is in surroundingV relation with but spaced apart from thecasing 39. This Vcasing 50 is threaded at 51 iiitothe extension 52. Theupper end of the casing 50 has a cap 53 provided with a guide openingThe guide opening 55 is rectangular7 inorder to accommodate thecorresponding shape of the pump' rod section 46. A bracket arm 56 isformed integral with the cap 53, and the lateralV part 57 thereof Ahas aguide opening 58, in which the upper end of theV pump rod section 46 isguided. rlhe bracket arm 56 has a guide slot '59, and pivotedat 60 tothelug 6l at the base of the arm 56 is a link 62. The upper end of the flink 62 is forked and between the forks a lever 63-isl pivoted at 64.One-end of the levcrghas its forks 65 pivoted at 66 to the pump rodsection 46. By means of an oscillatory movement of the lever 63, arecipro- Jating movement ris imparted to thetubular pump 'rod 44, thelower end of which is provided with a piston 67. Pistony 67 is providedwith acheck valve which is disposed.

ina passage which communicates with the tubular pump rod. `The guideopening 55 for the pump rod section f6 is of sufficient size topermitair toenter the casingO.

The Y and then through the restricted portion 34 of the upper passageofthe part Sl'through the cap coupling, and down through the Vwell pipe5b, forcing the water upward through the pipesV 18 and 18h, `and. outthrough the faucet, the valve of whichhav ing been previously'opened. Onthe downward stroke of thepiston 67, the check valve in piston 67 willclose, and the air below the piston 67 willbe forced from the lower partof the chamber 40 through the restricted portionV ll'of the lowerpassage of the lateral part 3l and into" thecap cou.- pling, and thenceVdown throughV` the well pipe", forcing the water in the well chamberupwardly through the pipeslS and 18T and Vout through the faucet. The.check valve 43a opens oii'thc downward stroke of the plunger 67 andAcloses on the' upper stroke, in outlet passageSl 'extendsfrom thechamber 14, and aV drain cock 82 is I threaded into said passage Vfordraining the refuse from the chamber 14.

The invention having been set forth what Y H is claimed as new anduseful is Y y A well pump comprising a casing,l said casing vcomprisinga base adapted to beseruredto a support, flanges risingupwardly from thebase, a flanged cover for said casing secured to the base anges, adown-V wardly extending annular flange carried by the base, Ya casingksecured to said downwardly extending flange and having its lower endconnected to a well casing, `a vertically Vdisposed pipe disposedv invsaid downwardly extending `casing and Yhaving its lower end disposed inthe well casing, 'a

sleeve telescopically engagiiig'the pipe and registering with theopening formed by the downwardly extendingv threaded flange, said sleevebeing of greater'diameter than the pipe, an aperture inthe sleeve and incommunication with. the Vchamber Vofthe casing, the upper end of .thesleeve' suiV rounding the pipe beingprovided withfav shoulder adapted tobe engaged by the casing cover, the sleeve above the'shoulder beinginteriorly threaded'for thereception of the upper threaded end of thepipe and also for the reception of an upwardly extending discharge pipe,and means for forcingair into the casing chamber, through'the sleeveaperture and downwardly extending casing' to thewell'ca'sing for liftingthe'water fromV and Ydischarge pipe.` Y

In testimony `whereof I have signed my name to this specification inthe-presence of two subscribing witnesses.y

the well casing Vupwardly through jthe pipe" l y Y Y120 Witnesses y JAS.MioHALson, JOHN J. JoLiooiiUii.

Joniv M Missouri.

